Finding the Fourth Proportional to 2,508,206,986.10, 3,461,425,373.49 and 1,379,269,305.74
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Solution
The fourth proportional to 2,508,206,986.10, 3,461,425,373.49 and 1,379,269,305.74 is: 1,903,446,485.17
Step by Step Solution
- Step 1: Write the proportion equation
2,508,206,986.10 : 3,461,425,373.49 = 1,379,269,305.74 : x - Step 2: Convert to fraction form
2,508,206,986.10/3,461,425,373.49 = 1,379,269,305.74/x - Step 3: Cross multiply
2,508,206,986.10x = 3,461,425,373.49 × 1,379,269,305.74 - Step 4: Simplify right side
2,508,206,986.10x = 4,774,237,771,767,784,448 - Step 5: Solve for x
x = 4,774,237,771,767,784,448/2,508,206,986.10 - Step 6: Final answer
x = 1,903,446,485.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.